2A533A Vol.2 Part.2 (38-64)

26 Questions | Total Attempts: 147

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2A533A Vol.2 Part.2 (38-64)

Preperation quiz for comm/nav mission systems journeyman


Questions and Answers
  • 1. 
    Which is not a flight line precaution used to protect electrostatic discharge sensitive components?
    • A. 

      Using protective tote boxes

    • B. 

      Covering line replace unit (lru) connector plugs

    • C. 

      Touching the ends of aircraft wiring to the KRU case prior to installiation

  • 2. 
    When working on electrostatic discharge sensitive devices in the shop area, you must use
    • A. 

      A grounded dline replace unit cable

    • B. 

      Non conductive antistatic mats

    • C. 

      A grounded workbench

  • 3. 
    Which action could pose a safety hazard to personnel in an electrostatic discharge protected area?
    • A. 

      Use of certain ionizers

    • B. 

      Wearing of personal clothing

    • C. 

      Improper use of conductive bags

  • 4. 
    Shielded cable consits of
    • A. 

      A metallic braid over the insulations

    • B. 

      A metal conductor covered with a dielectric

    • C. 

      An inner conductor sepearted by an insulation dielectric

  • 5. 
    Which type of cable is used to carry radio-fq power form on point to another?
    • A. 

      Insulated wire

    • B. 

      Shielded

    • C. 

      Coaxial

  • 6. 
    Which is not a type of connector coupling?
    • A. 

      Friction

    • B. 

      Bayonet

    • C. 

      Insertion

  • 7. 
    What is not a radio-frequency connector precaution?
    • A. 

      Never step on the cable

    • B. 

      Ensure a good grip when using pliers

    • C. 

      Ensure you solder double shielded cables together

  • 8. 
    The serial tansmission bit rate for the military standard 1553B data bus is
    • A. 

      1 Mbps

    • B. 

      16 Mbps

    • C. 

      32 Mbps

  • 9. 
    What is the structure of a military standard 1553B data word?
    • A. 

      20bits long; 3 sync; 16 data/command/status; 1 parity bit

    • B. 

      32bits long; 3 sync; 28 data/command/status; 1 parity bit

    • C. 

      20bits long; 1 sync; 16 data/command/status; 3 parity bit

  • 10. 
    What is not a funciton of the military standard 1553B data bus mode codes?
    • A. 

      Resetting terminals

    • B. 

      Synchronizing the subsystem time

    • C. 

      Executing a bus controller broadcast command

  • 11. 
    Twisting an optic fiber during instalation or maintenacne results in
    • A. 

      Disturbances in lay uniformity

    • B. 

      Greater elasticity of the glass fibers

    • C. 

      Reduced optical power transmission

  • 12. 
    What is used to convert fiber optic light transmissions to electrical signals?
    • A. 

      Detector

    • B. 

      Reciever

    • C. 

      Photodiode

  • 13. 
    Optoelectonic transducers perform what function in a fiber transmission?
    • A. 

      Amplify output circuit signals

    • B. 

      Convert electrical signals to light signals

    • C. 

      Convert optical energy to electrical engery

  • 14. 
    Utilizing exact dimensions for stripping wire ensures
    • A. 

      Connectors mate properly

    • B. 

      Solder adheres properly

    • C. 

      Proper connection

  • 15. 
    Flux is designed to
    • A. 

      Ensure electrical conductivity

    • B. 

      Bond the electrical connection

    • C. 

      Prevent oxygen from combining w/ metal

  • 16. 
    Proper care of an eletic soldering iron invalues
    • A. 

      Jerking the iron to remove excess solder

    • B. 

      Tapping the iron or a table to remove excss solder

    • C. 

      Keeping the iron in a proper holder when your not using it

  • 17. 
    What is the utmost importance in the soldering process?
    • A. 

      Cleanliness

    • B. 

      Strpping the wires

    • C. 

      Connecitng the wires

  • 18. 
    Which is not a type of solderless connector?
    • A. 

      Splice

    • B. 

      Terminal lug

    • C. 

      Connector splice

  • 19. 
    What type of solderless connector is used to permit easy and efficient connectios to electrical equipment?
    • A. 

      Splice

    • B. 

      Terminal lug

    • C. 

      Connector splice

  • 20. 
    One purpose of crimper positioners is to
    • A. 

      Put the pin contacts in the proper position

    • B. 

      Align the crimper handles to the pin contact

    • C. 

      Put the turret head in line with the pin contact

  • 21. 
    The colored end of an insertion and extration to is used for contact
    • A. 

      Insertion into a rear-release connector plug

    • B. 

      Insertion into a fron-release connector plug

    • C. 

      Extration from a rear-release connector plug

  • 22. 
    One way of pressure and moisture sealing the back of a connector is to use
    • A. 

      Silicone tape

    • B. 

      Silicone caulking

    • C. 

      Heat-shrinkable tape

  • 23. 
    The heat and air pressure required for proper installatio of heat-shrink products is contolled by the
    • A. 

      Tool operator

    • B. 

      Pressure controller

    • C. 

      Air/nitrogen regulator

  • 24. 
    Electromagnetic pulse hardened cable is considered nonreparable by local personnel if it has damage to the
    • A. 

      Broken internal wires

    • B. 

      Damage to the calbe jacket

    • C. 

      Broken wire at the connector

  • 25. 
    To what precaution must you adhere prior to performin a wire repair job?
    • A. 

      Ensure proper lighting

    • B. 

      Invetory require tools

    • C. 

      Read all prcedures in TO 1-1A-14

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